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pcmcia: use dynamic debug infrastructure, deprecate CS_CHECK (net)
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / pcmcia / fmvj18x_cs.c
blobfdec5c333a2aa883eb52f5f83ae44b7cc5f06c31
1 /*======================================================================
2 fmvj18x_cs.c 2.8 2002/03/23
3
4 A fmvj18x (and its compatibles) PCMCIA client driver
5
6 Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp
7
8 TDK LAK-CD021 and CONTEC C-NET(PC)C support added by
9 Nobuhiro Katayama, kata-n@po.iijnet.or.jp
10
11 The PCMCIA client code is based on code written by David Hinds.
12 Network code is based on the "FMV-18x driver" by Yutaka TAMIYA
13 but is actually largely Donald Becker's AT1700 driver, which
14 carries the following attribution:
15
16 Written 1993-94 by Donald Becker.
17
18 Copyright 1993 United States Government as represented by the
19 Director, National Security Agency.
20
21 This software may be used and distributed according to the terms
22 of the GNU General Public License, incorporated herein by reference.
23
24 The author may be reached as becker@scyld.com, or C/O
25 Scyld Computing Corporation
26 410 Severn Ave., Suite 210
27 Annapolis MD 21403
28
29 ======================================================================*/
30
31 #define DRV_NAME "fmvj18x_cs"
32 #define DRV_VERSION "2.9"
33
34 #include <linux/module.h>
35 #include <linux/kernel.h>
36 #include <linux/init.h>
37 #include <linux/ptrace.h>
38 #include <linux/slab.h>
39 #include <linux/string.h>
40 #include <linux/timer.h>
41 #include <linux/interrupt.h>
42 #include <linux/in.h>
43 #include <linux/delay.h>
44 #include <linux/ethtool.h>
45 #include <linux/netdevice.h>
46 #include <linux/etherdevice.h>
47 #include <linux/skbuff.h>
48 #include <linux/if_arp.h>
49 #include <linux/ioport.h>
50 #include <linux/crc32.h>
51
52 #include <pcmcia/cs_types.h>
53 #include <pcmcia/cs.h>
54 #include <pcmcia/cistpl.h>
55 #include <pcmcia/ciscode.h>
56 #include <pcmcia/ds.h>
57
58 #include <asm/uaccess.h>
59 #include <asm/io.h>
60 #include <asm/system.h>
61
62 /*====================================================================*/
63
64 /* Module parameters */
65
66 MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver");
67 MODULE_LICENSE("GPL");
68
69 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
70
71 /* SRAM configuration */
72 /* 0:4KB*2 TX buffer else:8KB*2 TX buffer */
73 INT_MODULE_PARM(sram_config, 0);
74
75
76 /*====================================================================*/
77 /*
78 PCMCIA event handlers
79 */
80 static int fmvj18x_config(struct pcmcia_device *link);
81 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id);
82 static int fmvj18x_setup_mfc(struct pcmcia_device *link);
83 static void fmvj18x_release(struct pcmcia_device *link);
84 static void fmvj18x_detach(struct pcmcia_device *p_dev);
85
86 /*
87 LAN controller(MBH86960A) specific routines
88 */
89 static int fjn_config(struct net_device *dev, struct ifmap *map);
90 static int fjn_open(struct net_device *dev);
91 static int fjn_close(struct net_device *dev);
92 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
93 struct net_device *dev);
94 static irqreturn_t fjn_interrupt(int irq, void *dev_id);
95 static void fjn_rx(struct net_device *dev);
96 static void fjn_reset(struct net_device *dev);
97 static void set_rx_mode(struct net_device *dev);
98 static void fjn_tx_timeout(struct net_device *dev);
99 static const struct ethtool_ops netdev_ethtool_ops;
100
101 /*
102 card type
103 */
104 typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN,
105 XXX10304, NEC, KME
106 } cardtype_t;
107
108 /*
109 driver specific data structure
110 */
111 typedef struct local_info_t {
112 struct pcmcia_device *p_dev;
113 dev_node_t node;
114 long open_time;
115 uint tx_started:1;
116 uint tx_queue;
117 u_short tx_queue_len;
118 cardtype_t cardtype;
119 u_short sent;
120 u_char __iomem *base;
121 } local_info_t;
122
123 #define MC_FILTERBREAK 64
124
125 /*====================================================================*/
126 /*
127 ioport offset from the base address
128 */
129 #define TX_STATUS 0 /* transmit status register */
130 #define RX_STATUS 1 /* receive status register */
131 #define TX_INTR 2 /* transmit interrupt mask register */
132 #define RX_INTR 3 /* receive interrupt mask register */
133 #define TX_MODE 4 /* transmit mode register */
134 #define RX_MODE 5 /* receive mode register */
135 #define CONFIG_0 6 /* configuration register 0 */
136 #define CONFIG_1 7 /* configuration register 1 */
137
138 #define NODE_ID 8 /* node ID register (bank 0) */
139 #define MAR_ADR 8 /* multicast address registers (bank 1) */
140
141 #define DATAPORT 8 /* buffer mem port registers (bank 2) */
142 #define TX_START 10 /* transmit start register */
143 #define COL_CTRL 11 /* 16 collision control register */
144 #define BMPR12 12 /* reserved */
145 #define BMPR13 13 /* reserved */
146 #define RX_SKIP 14 /* skip received packet register */
147
148 #define LAN_CTRL 16 /* LAN card control register */
149
150 #define MAC_ID 0x1a /* hardware address */
151 #define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */
152
153 /*
154 control bits
155 */
156 #define ENA_TMT_OK 0x80
157 #define ENA_TMT_REC 0x20
158 #define ENA_COL 0x04
159 #define ENA_16_COL 0x02
160 #define ENA_TBUS_ERR 0x01
161
162 #define ENA_PKT_RDY 0x80
163 #define ENA_BUS_ERR 0x40
164 #define ENA_LEN_ERR 0x08
165 #define ENA_ALG_ERR 0x04
166 #define ENA_CRC_ERR 0x02
167 #define ENA_OVR_FLO 0x01
168
169 /* flags */
170 #define F_TMT_RDY 0x80 /* can accept new packet */
171 #define F_NET_BSY 0x40 /* carrier is detected */
172 #define F_TMT_OK 0x20 /* send packet successfully */
173 #define F_SRT_PKT 0x10 /* short packet error */
174 #define F_COL_ERR 0x04 /* collision error */
175 #define F_16_COL 0x02 /* 16 collision error */
176 #define F_TBUS_ERR 0x01 /* bus read error */
177
178 #define F_PKT_RDY 0x80 /* packet(s) in buffer */
179 #define F_BUS_ERR 0x40 /* bus read error */
180 #define F_LEN_ERR 0x08 /* short packet */
181 #define F_ALG_ERR 0x04 /* frame error */
182 #define F_CRC_ERR 0x02 /* CRC error */
183 #define F_OVR_FLO 0x01 /* overflow error */
184
185 #define F_BUF_EMP 0x40 /* receive buffer is empty */
186
187 #define F_SKP_PKT 0x05 /* drop packet in buffer */
188
189 /* default bitmaps */
190 #define D_TX_INTR ( ENA_TMT_OK )
191 #define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \
192 | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO )
193 #define TX_STAT_M ( F_TMT_RDY )
194 #define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \
195 | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO )
196
197 /* commands */
198 #define D_TX_MODE 0x06 /* no tests, detect carrier */
199 #define ID_MATCHED 0x02 /* (RX_MODE) */
200 #define RECV_ALL 0x03 /* (RX_MODE) */
201 #define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */
202 #define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */
203 #define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */
204 #define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */
205 #define BANK_0 0xa0 /* bank 0 (CONFIG_1) */
206 #define BANK_1 0xa4 /* bank 1 (CONFIG_1) */
207 #define BANK_2 0xa8 /* bank 2 (CONFIG_1) */
208 #define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */
209 #define DO_TX 0x80 /* do transmit packet */
210 #define SEND_PKT 0x81 /* send a packet */
211 #define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */
212 #define MANU_MODE 0x03 /* Stop and skip packet on 16 col */
213 #define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */
214 #define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */
215 #define INTR_OFF 0x0d /* LAN controller ignores interrupts */
216 #define INTR_ON 0x1d /* LAN controller will catch interrupts */
217
218 #define TX_TIMEOUT ((400*HZ)/1000)
219
220 #define BANK_0U 0x20 /* bank 0 (CONFIG_1) */
221 #define BANK_1U 0x24 /* bank 1 (CONFIG_1) */
222 #define BANK_2U 0x28 /* bank 2 (CONFIG_1) */
223
224 static const struct net_device_ops fjn_netdev_ops = {
225 .ndo_open = fjn_open,
226 .ndo_stop = fjn_close,
227 .ndo_start_xmit = fjn_start_xmit,
228 .ndo_tx_timeout = fjn_tx_timeout,
229 .ndo_set_config = fjn_config,
230 .ndo_set_multicast_list = set_rx_mode,
231 .ndo_change_mtu = eth_change_mtu,
232 .ndo_set_mac_address = eth_mac_addr,
233 .ndo_validate_addr = eth_validate_addr,
234 };
235
236 static int fmvj18x_probe(struct pcmcia_device *link)
237 {
238 local_info_t *lp;
239 struct net_device *dev;
240
241 dev_dbg(&link->dev, "fmvj18x_attach()\n");
242
243 /* Make up a FMVJ18x specific data structure */
244 dev = alloc_etherdev(sizeof(local_info_t));
245 if (!dev)
246 return -ENOMEM;
247 lp = netdev_priv(dev);
248 link->priv = dev;
249 lp->p_dev = link;
250 lp->base = NULL;
251
252 /* The io structure describes IO port mapping */
253 link->io.NumPorts1 = 32;
254 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
255 link->io.IOAddrLines = 5;
256
257 /* Interrupt setup */
258 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_HANDLE_PRESENT;
259 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
260 link->irq.Handler = &fjn_interrupt;
261 link->irq.Instance = dev;
262
263 /* General socket configuration */
264 link->conf.Attributes = CONF_ENABLE_IRQ;
265 link->conf.IntType = INT_MEMORY_AND_IO;
266
267 dev->netdev_ops = &fjn_netdev_ops;
268 dev->watchdog_timeo = TX_TIMEOUT;
269
270 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
271
272 return fmvj18x_config(link);
273 } /* fmvj18x_attach */
274
275 /*====================================================================*/
276
277 static void fmvj18x_detach(struct pcmcia_device *link)
278 {
279 struct net_device *dev = link->priv;
280
281 dev_dbg(&link->dev, "fmvj18x_detach\n");
282
283 if (link->dev_node)
284 unregister_netdev(dev);
285
286 fmvj18x_release(link);
287
288 free_netdev(dev);
289 } /* fmvj18x_detach */
290
291 /*====================================================================*/
292
293 static int mfc_try_io_port(struct pcmcia_device *link)
294 {
295 int i, ret;
296 static const unsigned int serial_base[5] =
297 { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
298
299 for (i = 0; i < 5; i++) {
300 link->io.BasePort2 = serial_base[i];
301 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
302 if (link->io.BasePort2 == 0) {
303 link->io.NumPorts2 = 0;
304 printk(KERN_NOTICE "fmvj18x_cs: out of resource for serial\n");
305 }
306 ret = pcmcia_request_io(link, &link->io);
307 if (ret == 0)
308 return ret;
309 }
310 return ret;
311 }
312
313 static int ungermann_try_io_port(struct pcmcia_device *link)
314 {
315 int ret;
316 unsigned int ioaddr;
317 /*
318 Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360
319 0x380,0x3c0 only for ioport.
320 */
321 for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) {
322 link->io.BasePort1 = ioaddr;
323 ret = pcmcia_request_io(link, &link->io);
324 if (ret == 0) {
325 /* calculate ConfigIndex value */
326 link->conf.ConfigIndex =
327 ((link->io.BasePort1 & 0x0f0) >> 3) | 0x22;
328 return ret;
329 }
330 }
331 return ret; /* RequestIO failed */
332 }
333
334 static int fmvj18x_ioprobe(struct pcmcia_device *p_dev,
335 cistpl_cftable_entry_t *cfg,
336 cistpl_cftable_entry_t *dflt,
337 unsigned int vcc,
338 void *priv_data)
339 {
340 return 0; /* strange, but that's what the code did already before... */
341 }
342
343 static int fmvj18x_config(struct pcmcia_device *link)
344 {
345 struct net_device *dev = link->priv;
346 local_info_t *lp = netdev_priv(dev);
347 int i, ret;
348 unsigned int ioaddr;
349 cardtype_t cardtype;
350 char *card_name = "unknown";
351 u8 *buf;
352 size_t len;
353 u_char buggybuf[32];
354
355 dev_dbg(&link->dev, "fmvj18x_config\n");
356
357 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
358 kfree(buf);
359
360 if (len) {
361 /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
362 ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
363 if (ret != 0)
364 goto failed;
365
366 switch (link->manf_id) {
367 case MANFID_TDK:
368 cardtype = TDK;
369 if (link->card_id == PRODID_TDK_GN3410
370 || link->card_id == PRODID_TDK_NP9610
371 || link->card_id == PRODID_TDK_MN3200) {
372 /* MultiFunction Card */
373 link->conf.ConfigBase = 0x800;
374 link->conf.ConfigIndex = 0x47;
375 link->io.NumPorts2 = 8;
376 }
377 break;
378 case MANFID_NEC:
379 cardtype = NEC; /* MultiFunction Card */
380 link->conf.ConfigBase = 0x800;
381 link->conf.ConfigIndex = 0x47;
382 link->io.NumPorts2 = 8;
383 break;
384 case MANFID_KME:
385 cardtype = KME; /* MultiFunction Card */
386 link->conf.ConfigBase = 0x800;
387 link->conf.ConfigIndex = 0x47;
388 link->io.NumPorts2 = 8;
389 break;
390 case MANFID_CONTEC:
391 cardtype = CONTEC;
392 break;
393 case MANFID_FUJITSU:
394 if (link->conf.ConfigBase == 0x0fe0)
395 cardtype = MBH10302;
396 else if (link->card_id == PRODID_FUJITSU_MBH10302)
397 /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
398 but these are MBH10304 based card. */
399 cardtype = MBH10304;
400 else if (link->card_id == PRODID_FUJITSU_MBH10304)
401 cardtype = MBH10304;
402 else
403 cardtype = LA501;
404 break;
405 default:
406 cardtype = MBH10304;
407 }
408 } else {
409 /* old type card */
410 switch (link->manf_id) {
411 case MANFID_FUJITSU:
412 if (link->card_id == PRODID_FUJITSU_MBH10304) {
413 cardtype = XXX10304; /* MBH10304 with buggy CIS */
414 link->conf.ConfigIndex = 0x20;
415 } else {
416 cardtype = MBH10302; /* NextCom NC5310, etc. */
417 link->conf.ConfigIndex = 1;
418 }
419 break;
420 case MANFID_UNGERMANN:
421 cardtype = UNGERMANN;
422 break;
423 default:
424 cardtype = MBH10302;
425 link->conf.ConfigIndex = 1;
426 }
427 }
428
429 if (link->io.NumPorts2 != 0) {
430 link->irq.Attributes =
431 IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED|IRQ_HANDLE_PRESENT;
432 ret = mfc_try_io_port(link);
433 if (ret != 0) goto failed;
434 } else if (cardtype == UNGERMANN) {
435 ret = ungermann_try_io_port(link);
436 if (ret != 0) goto failed;
437 } else {
438 ret = pcmcia_request_io(link, &link->io);
439 if (ret)
440 goto failed;
441 }
442 ret = pcmcia_request_irq(link, &link->irq);
443 if (ret)
444 goto failed;
445 ret = pcmcia_request_configuration(link, &link->conf);
446 if (ret)
447 goto failed;
448
449 dev->irq = link->irq.AssignedIRQ;
450 dev->base_addr = link->io.BasePort1;
451
452 if (link->io.BasePort2 != 0) {
453 ret = fmvj18x_setup_mfc(link);
454 if (ret != 0) goto failed;
455 }
456
457 ioaddr = dev->base_addr;
458
459 /* Reset controller */
460 if (sram_config == 0)
461 outb(CONFIG0_RST, ioaddr + CONFIG_0);
462 else
463 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
464
465 /* Power On chip and select bank 0 */
466 if (cardtype == MBH10302)
467 outb(BANK_0, ioaddr + CONFIG_1);
468 else
469 outb(BANK_0U, ioaddr + CONFIG_1);
470
471 /* Set hardware address */
472 switch (cardtype) {
473 case MBH10304:
474 case TDK:
475 case LA501:
476 case CONTEC:
477 case NEC:
478 case KME:
479 if (cardtype == MBH10304) {
480 card_name = "FMV-J182";
481
482 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
483 if (len < 11) {
484 kfree(buf);
485 goto failed;
486 }
487 /* Read MACID from CIS */
488 for (i = 5; i < 11; i++)
489 dev->dev_addr[i] = buf[i];
490 kfree(buf);
491 } else {
492 if (pcmcia_get_mac_from_cis(link, dev))
493 goto failed;
494 if( cardtype == TDK ) {
495 card_name = "TDK LAK-CD021";
496 } else if( cardtype == LA501 ) {
497 card_name = "LA501";
498 } else if( cardtype == NEC ) {
499 card_name = "PK-UG-J001";
500 } else if( cardtype == KME ) {
501 card_name = "Panasonic";
502 } else {
503 card_name = "C-NET(PC)C";
504 }
505 }
506 break;
507 case UNGERMANN:
508 /* Read MACID from register */
509 for (i = 0; i < 6; i++)
510 dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
511 card_name = "Access/CARD";
512 break;
513 case XXX10304:
514 /* Read MACID from Buggy CIS */
515 if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
516 printk(KERN_NOTICE "fmvj18x_cs: unable to read hardware net address.\n");
517 goto failed;
518 }
519 for (i = 0 ; i < 6; i++) {
520 dev->dev_addr[i] = buggybuf[i];
521 }
522 card_name = "FMV-J182";
523 break;
524 case MBH10302:
525 default:
526 /* Read MACID from register */
527 for (i = 0; i < 6; i++)
528 dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
529 card_name = "FMV-J181";
530 break;
531 }
532
533 lp->cardtype = cardtype;
534 link->dev_node = &lp->node;
535 SET_NETDEV_DEV(dev, &handle_to_dev(link));
536
537 if (register_netdev(dev) != 0) {
538 printk(KERN_NOTICE "fmvj18x_cs: register_netdev() failed\n");
539 link->dev_node = NULL;
540 goto failed;
541 }
542
543 strcpy(lp->node.dev_name, dev->name);
544
545 /* print current configuration */
546 printk(KERN_INFO "%s: %s, sram %s, port %#3lx, irq %d, "
547 "hw_addr %pM\n",
548 dev->name, card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2",
549 dev->base_addr, dev->irq, dev->dev_addr);
550
551 return 0;
552
553 failed:
554 fmvj18x_release(link);
555 return -ENODEV;
556 } /* fmvj18x_config */
557 /*====================================================================*/
558
559 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
560 {
561 win_req_t req;
562 memreq_t mem;
563 u_char __iomem *base;
564 int i, j;
565
566 /* Allocate a small memory window */
567 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
568 req.Base = 0; req.Size = 0;
569 req.AccessSpeed = 0;
570 i = pcmcia_request_window(&link, &req, &link->win);
571 if (i != 0)
572 return -1;
573
574 base = ioremap(req.Base, req.Size);
575 mem.Page = 0;
576 mem.CardOffset = 0;
577 pcmcia_map_mem_page(link->win, &mem);
578
579 /*
580 * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
581 * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
582 * 'xx' is garbage.
583 * 'yy' is MAC address.
584 */
585 for (i = 0; i < 0x200; i++) {
586 if (readb(base+i*2) == 0x22) {
587 if (readb(base+(i-1)*2) == 0xff
588 && readb(base+(i+5)*2) == 0x04
589 && readb(base+(i+6)*2) == 0x06
590 && readb(base+(i+13)*2) == 0xff)
591 break;
592 }
593 }
594
595 if (i != 0x200) {
596 for (j = 0 ; j < 6; j++,i++) {
597 node_id[j] = readb(base+(i+7)*2);
598 }
599 }
600
601 iounmap(base);
602 j = pcmcia_release_window(link->win);
603 return (i != 0x200) ? 0 : -1;
604
605 } /* fmvj18x_get_hwinfo */
606 /*====================================================================*/
607
608 static int fmvj18x_setup_mfc(struct pcmcia_device *link)
609 {
610 win_req_t req;
611 memreq_t mem;
612 int i;
613 struct net_device *dev = link->priv;
614 unsigned int ioaddr;
615 local_info_t *lp = netdev_priv(dev);
616
617 /* Allocate a small memory window */
618 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
619 req.Base = 0; req.Size = 0;
620 req.AccessSpeed = 0;
621 i = pcmcia_request_window(&link, &req, &link->win);
622 if (i != 0)
623 return -1;
624
625 lp->base = ioremap(req.Base, req.Size);
626 if (lp->base == NULL) {
627 printk(KERN_NOTICE "fmvj18x_cs: ioremap failed\n");
628 return -1;
629 }
630
631 mem.Page = 0;
632 mem.CardOffset = 0;
633 i = pcmcia_map_mem_page(link->win, &mem);
634 if (i != 0) {
635 iounmap(lp->base);
636 lp->base = NULL;
637 return -1;
638 }
639
640 ioaddr = dev->base_addr;
641 writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
642 writeb(0x0, lp->base+0x802); /* Config and Status Register */
643
644 writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
645 writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
646
647 writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
648 writeb(0x8, lp->base+0x822); /* Config and Status Register */
649
650 return 0;
651
652 }
653 /*====================================================================*/
654
655 static void fmvj18x_release(struct pcmcia_device *link)
656 {
657
658 struct net_device *dev = link->priv;
659 local_info_t *lp = netdev_priv(dev);
660 u_char __iomem *tmp;
661 int j;
662
663 dev_dbg(&link->dev, "fmvj18x_release\n");
664
665 if (lp->base != NULL) {
666 tmp = lp->base;
667 lp->base = NULL; /* set NULL before iounmap */
668 iounmap(tmp);
669 j = pcmcia_release_window(link->win);
670 }
671
672 pcmcia_disable_device(link);
673
674 }
675
676 static int fmvj18x_suspend(struct pcmcia_device *link)
677 {
678 struct net_device *dev = link->priv;
679
680 if (link->open)
681 netif_device_detach(dev);
682
683 return 0;
684 }
685
686 static int fmvj18x_resume(struct pcmcia_device *link)
687 {
688 struct net_device *dev = link->priv;
689
690 if (link->open) {
691 fjn_reset(dev);
692 netif_device_attach(dev);
693 }
694
695 return 0;
696 }
697
698 /*====================================================================*/
699
700 static struct pcmcia_device_id fmvj18x_ids[] = {
701 PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
702 PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
703 PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
704 PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
705 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
706 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
707 PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
708 PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
709 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6),
710 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6),
711 PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
712 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
713 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
714 PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
715 PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454),
716 PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
717 PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
718 PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
719 PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
720 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
721 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
722 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
723 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
724 PCMCIA_DEVICE_NULL,
725 };
726 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
727
728 static struct pcmcia_driver fmvj18x_cs_driver = {
729 .owner = THIS_MODULE,
730 .drv = {
731 .name = "fmvj18x_cs",
732 },
733 .probe = fmvj18x_probe,
734 .remove = fmvj18x_detach,
735 .id_table = fmvj18x_ids,
736 .suspend = fmvj18x_suspend,
737 .resume = fmvj18x_resume,
738 };
739
740 static int __init init_fmvj18x_cs(void)
741 {
742 return pcmcia_register_driver(&fmvj18x_cs_driver);
743 }
744
745 static void __exit exit_fmvj18x_cs(void)
746 {
747 pcmcia_unregister_driver(&fmvj18x_cs_driver);
748 }
749
750 module_init(init_fmvj18x_cs);
751 module_exit(exit_fmvj18x_cs);
752
753 /*====================================================================*/
754
755 static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
756 {
757 struct net_device *dev = dev_id;
758 local_info_t *lp = netdev_priv(dev);
759 unsigned int ioaddr;
760 unsigned short tx_stat, rx_stat;
761
762 ioaddr = dev->base_addr;
763
764 /* avoid multiple interrupts */
765 outw(0x0000, ioaddr + TX_INTR);
766
767 /* wait for a while */
768 udelay(1);
769
770 /* get status */
771 tx_stat = inb(ioaddr + TX_STATUS);
772 rx_stat = inb(ioaddr + RX_STATUS);
773
774 /* clear status */
775 outb(tx_stat, ioaddr + TX_STATUS);
776 outb(rx_stat, ioaddr + RX_STATUS);
777
778 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
779 pr_debug(" tx_status %02x.\n", tx_stat);
780
781 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
782 /* there is packet(s) in rx buffer */
783 fjn_rx(dev);
784 }
785 if (tx_stat & F_TMT_RDY) {
786 dev->stats.tx_packets += lp->sent ;
787 lp->sent = 0 ;
788 if (lp->tx_queue) {
789 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
790 lp->sent = lp->tx_queue ;
791 lp->tx_queue = 0;
792 lp->tx_queue_len = 0;
793 dev->trans_start = jiffies;
794 } else {
795 lp->tx_started = 0;
796 }
797 netif_wake_queue(dev);
798 }
799 pr_debug("%s: exiting interrupt,\n", dev->name);
800 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
801
802 outb(D_TX_INTR, ioaddr + TX_INTR);
803 outb(D_RX_INTR, ioaddr + RX_INTR);
804
805 if (lp->base != NULL) {
806 /* Ack interrupt for multifunction card */
807 writeb(0x01, lp->base+0x802);
808 writeb(0x09, lp->base+0x822);
809 }
810
811 return IRQ_HANDLED;
812
813 } /* fjn_interrupt */
814
815 /*====================================================================*/
816
817 static void fjn_tx_timeout(struct net_device *dev)
818 {
819 struct local_info_t *lp = netdev_priv(dev);
820 unsigned int ioaddr = dev->base_addr;
821
822 printk(KERN_NOTICE "%s: transmit timed out with status %04x, %s?\n",
823 dev->name, htons(inw(ioaddr + TX_STATUS)),
824 inb(ioaddr + TX_STATUS) & F_TMT_RDY
825 ? "IRQ conflict" : "network cable problem");
826 printk(KERN_NOTICE "%s: timeout registers: %04x %04x %04x "
827 "%04x %04x %04x %04x %04x.\n",
828 dev->name, htons(inw(ioaddr + 0)),
829 htons(inw(ioaddr + 2)), htons(inw(ioaddr + 4)),
830 htons(inw(ioaddr + 6)), htons(inw(ioaddr + 8)),
831 htons(inw(ioaddr +10)), htons(inw(ioaddr +12)),
832 htons(inw(ioaddr +14)));
833 dev->stats.tx_errors++;
834 /* ToDo: We should try to restart the adaptor... */
835 local_irq_disable();
836 fjn_reset(dev);
837
838 lp->tx_started = 0;
839 lp->tx_queue = 0;
840 lp->tx_queue_len = 0;
841 lp->sent = 0;
842 lp->open_time = jiffies;
843 local_irq_enable();
844 netif_wake_queue(dev);
845 }
846
847 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
848 struct net_device *dev)
849 {
850 struct local_info_t *lp = netdev_priv(dev);
851 unsigned int ioaddr = dev->base_addr;
852 short length = skb->len;
853
854 if (length < ETH_ZLEN)
855 {
856 if (skb_padto(skb, ETH_ZLEN))
857 return NETDEV_TX_OK;
858 length = ETH_ZLEN;
859 }
860
861 netif_stop_queue(dev);
862
863 {
864 unsigned char *buf = skb->data;
865
866 if (length > ETH_FRAME_LEN) {
867 printk(KERN_NOTICE "%s: Attempting to send a large packet"
868 " (%d bytes).\n", dev->name, length);
869 return NETDEV_TX_BUSY;
870 }
871
872 pr_debug("%s: Transmitting a packet of length %lu.\n",
873 dev->name, (unsigned long)skb->len);
874 dev->stats.tx_bytes += skb->len;
875
876 /* Disable both interrupts. */
877 outw(0x0000, ioaddr + TX_INTR);
878
879 /* wait for a while */
880 udelay(1);
881
882 outw(length, ioaddr + DATAPORT);
883 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
884
885 lp->tx_queue++;
886 lp->tx_queue_len += ((length+3) & ~1);
887
888 if (lp->tx_started == 0) {
889 /* If the Tx is idle, always trigger a transmit. */
890 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
891 lp->sent = lp->tx_queue ;
892 lp->tx_queue = 0;
893 lp->tx_queue_len = 0;
894 dev->trans_start = jiffies;
895 lp->tx_started = 1;
896 netif_start_queue(dev);
897 } else {
898 if( sram_config == 0 ) {
899 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
900 /* Yes, there is room for one more packet. */
901 netif_start_queue(dev);
902 } else {
903 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
904 lp->tx_queue < 127 )
905 /* Yes, there is room for one more packet. */
906 netif_start_queue(dev);
907 }
908 }
909
910 /* Re-enable interrupts */
911 outb(D_TX_INTR, ioaddr + TX_INTR);
912 outb(D_RX_INTR, ioaddr + RX_INTR);
913 }
914 dev_kfree_skb (skb);
915
916 return NETDEV_TX_OK;
917 } /* fjn_start_xmit */
918
919 /*====================================================================*/
920
921 static void fjn_reset(struct net_device *dev)
922 {
923 struct local_info_t *lp = netdev_priv(dev);
924 unsigned int ioaddr = dev->base_addr;
925 int i;
926
927 pr_debug("fjn_reset(%s) called.\n",dev->name);
928
929 /* Reset controller */
930 if( sram_config == 0 )
931 outb(CONFIG0_RST, ioaddr + CONFIG_0);
932 else
933 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
934
935 /* Power On chip and select bank 0 */
936 if (lp->cardtype == MBH10302)
937 outb(BANK_0, ioaddr + CONFIG_1);
938 else
939 outb(BANK_0U, ioaddr + CONFIG_1);
940
941 /* Set Tx modes */
942 outb(D_TX_MODE, ioaddr + TX_MODE);
943 /* set Rx modes */
944 outb(ID_MATCHED, ioaddr + RX_MODE);
945
946 /* Set hardware address */
947 for (i = 0; i < 6; i++)
948 outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
949
950 /* (re)initialize the multicast table */
951 set_rx_mode(dev);
952
953 /* Switch to bank 2 (runtime mode) */
954 if (lp->cardtype == MBH10302)
955 outb(BANK_2, ioaddr + CONFIG_1);
956 else
957 outb(BANK_2U, ioaddr + CONFIG_1);
958
959 /* set 16col ctrl bits */
960 if( lp->cardtype == TDK || lp->cardtype == CONTEC)
961 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
962 else
963 outb(AUTO_MODE, ioaddr + COL_CTRL);
964
965 /* clear Reserved Regs */
966 outb(0x00, ioaddr + BMPR12);
967 outb(0x00, ioaddr + BMPR13);
968
969 /* reset Skip packet reg. */
970 outb(0x01, ioaddr + RX_SKIP);
971
972 /* Enable Tx and Rx */
973 if( sram_config == 0 )
974 outb(CONFIG0_DFL, ioaddr + CONFIG_0);
975 else
976 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
977
978 /* Init receive pointer ? */
979 inw(ioaddr + DATAPORT);
980 inw(ioaddr + DATAPORT);
981
982 /* Clear all status */
983 outb(0xff, ioaddr + TX_STATUS);
984 outb(0xff, ioaddr + RX_STATUS);
985
986 if (lp->cardtype == MBH10302)
987 outb(INTR_OFF, ioaddr + LAN_CTRL);
988
989 /* Turn on Rx interrupts */
990 outb(D_TX_INTR, ioaddr + TX_INTR);
991 outb(D_RX_INTR, ioaddr + RX_INTR);
992
993 /* Turn on interrupts from LAN card controller */
994 if (lp->cardtype == MBH10302)
995 outb(INTR_ON, ioaddr + LAN_CTRL);
996 } /* fjn_reset */
997
998 /*====================================================================*/
999
1000 static void fjn_rx(struct net_device *dev)
1001 {
1002 unsigned int ioaddr = dev->base_addr;
1003 int boguscount = 10; /* 5 -> 10: by agy 19940922 */
1004
1005 pr_debug("%s: in rx_packet(), rx_status %02x.\n",
1006 dev->name, inb(ioaddr + RX_STATUS));
1007
1008 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
1009 u_short status = inw(ioaddr + DATAPORT);
1010
1011 pr_debug("%s: Rxing packet mode %02x status %04x.\n",
1012 dev->name, inb(ioaddr + RX_MODE), status);
1013 #ifndef final_version
1014 if (status == 0) {
1015 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1016 break;
1017 }
1018 #endif
1019 if ((status & 0xF0) != 0x20) { /* There was an error. */
1020 dev->stats.rx_errors++;
1021 if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
1022 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
1023 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
1024 if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
1025 } else {
1026 u_short pkt_len = inw(ioaddr + DATAPORT);
1027 /* Malloc up new buffer. */
1028 struct sk_buff *skb;
1029
1030 if (pkt_len > 1550) {
1031 printk(KERN_NOTICE "%s: The FMV-18x claimed a very "
1032 "large packet, size %d.\n", dev->name, pkt_len);
1033 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1034 dev->stats.rx_errors++;
1035 break;
1036 }
1037 skb = dev_alloc_skb(pkt_len+2);
1038 if (skb == NULL) {
1039 printk(KERN_NOTICE "%s: Memory squeeze, dropping "
1040 "packet (len %d).\n", dev->name, pkt_len);
1041 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1042 dev->stats.rx_dropped++;
1043 break;
1044 }
1045
1046 skb_reserve(skb, 2);
1047 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1048 (pkt_len + 1) >> 1);
1049 skb->protocol = eth_type_trans(skb, dev);
1050
1051 {
1052 int i;
1053 pr_debug("%s: Rxed packet of length %d: ",
1054 dev->name, pkt_len);
1055 for (i = 0; i < 14; i++)
1056 pr_debug(" %02x", skb->data[i]);
1057 pr_debug(".\n");
1058 }
1059
1060 netif_rx(skb);
1061 dev->stats.rx_packets++;
1062 dev->stats.rx_bytes += pkt_len;
1063 }
1064 if (--boguscount <= 0)
1065 break;
1066 }
1067
1068 /* If any worth-while packets have been received, dev_rint()
1069 has done a netif_wake_queue() for us and will work on them
1070 when we get to the bottom-half routine. */
1071 /*
1072 if (lp->cardtype != TDK) {
1073 int i;
1074 for (i = 0; i < 20; i++) {
1075 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1076 break;
1077 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1078 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1079 }
1080
1081 if (i > 0)
1082 pr_debug("%s: Exint Rx packet with mode %02x after "
1083 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1084 }
1085 */
1086
1087 return;
1088 } /* fjn_rx */
1089
1090 /*====================================================================*/
1091
1092 static void netdev_get_drvinfo(struct net_device *dev,
1093 struct ethtool_drvinfo *info)
1094 {
1095 strcpy(info->driver, DRV_NAME);
1096 strcpy(info->version, DRV_VERSION);
1097 sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
1098 }
1099
1100 static const struct ethtool_ops netdev_ethtool_ops = {
1101 .get_drvinfo = netdev_get_drvinfo,
1102 };
1103
1104 static int fjn_config(struct net_device *dev, struct ifmap *map){
1105 return 0;
1106 }
1107
1108 static int fjn_open(struct net_device *dev)
1109 {
1110 struct local_info_t *lp = netdev_priv(dev);
1111 struct pcmcia_device *link = lp->p_dev;
1112
1113 pr_debug("fjn_open('%s').\n", dev->name);
1114
1115 if (!pcmcia_dev_present(link))
1116 return -ENODEV;
1117
1118 link->open++;
1119
1120 fjn_reset(dev);
1121
1122 lp->tx_started = 0;
1123 lp->tx_queue = 0;
1124 lp->tx_queue_len = 0;
1125 lp->open_time = jiffies;
1126 netif_start_queue(dev);
1127
1128 return 0;
1129 } /* fjn_open */
1130
1131 /*====================================================================*/
1132
1133 static int fjn_close(struct net_device *dev)
1134 {
1135 struct local_info_t *lp = netdev_priv(dev);
1136 struct pcmcia_device *link = lp->p_dev;
1137 unsigned int ioaddr = dev->base_addr;
1138
1139 pr_debug("fjn_close('%s').\n", dev->name);
1140
1141 lp->open_time = 0;
1142 netif_stop_queue(dev);
1143
1144 /* Set configuration register 0 to disable Tx and Rx. */
1145 if( sram_config == 0 )
1146 outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1147 else
1148 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1149
1150 /* Update the statistics -- ToDo. */
1151
1152 /* Power-down the chip. Green, green, green! */
1153 outb(CHIP_OFF ,ioaddr + CONFIG_1);
1154
1155 /* Set the ethernet adaptor disable IRQ */
1156 if (lp->cardtype == MBH10302)
1157 outb(INTR_OFF, ioaddr + LAN_CTRL);
1158
1159 link->open--;
1160
1161 return 0;
1162 } /* fjn_close */
1163
1164 /*====================================================================*/
1165
1166 /*
1167 Set the multicast/promiscuous mode for this adaptor.
1168 */
1169
1170 static void set_rx_mode(struct net_device *dev)
1171 {
1172 unsigned int ioaddr = dev->base_addr;
1173 u_char mc_filter[8]; /* Multicast hash filter */
1174 u_long flags;
1175 int i;
1176
1177 int saved_bank;
1178 int saved_config_0 = inb(ioaddr + CONFIG_0);
1179
1180 local_irq_save(flags);
1181
1182 /* Disable Tx and Rx */
1183 if (sram_config == 0)
1184 outb(CONFIG0_RST, ioaddr + CONFIG_0);
1185 else
1186 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1187
1188 if (dev->flags & IFF_PROMISC) {
1189 memset(mc_filter, 0xff, sizeof(mc_filter));
1190 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
1191 } else if (dev->mc_count > MC_FILTERBREAK
1192 || (dev->flags & IFF_ALLMULTI)) {
1193 /* Too many to filter perfectly -- accept all multicasts. */
1194 memset(mc_filter, 0xff, sizeof(mc_filter));
1195 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1196 } else if (dev->mc_count == 0) {
1197 memset(mc_filter, 0x00, sizeof(mc_filter));
1198 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
1199 } else {
1200 struct dev_mc_list *mclist;
1201
1202 memset(mc_filter, 0, sizeof(mc_filter));
1203 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
1204 i++, mclist = mclist->next) {
1205 unsigned int bit =
1206 ether_crc_le(ETH_ALEN, mclist->dmi_addr) >> 26;
1207 mc_filter[bit >> 3] |= (1 << (bit & 7));
1208 }
1209 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1210 }
1211
1212 /* Switch to bank 1 and set the multicast table. */
1213 saved_bank = inb(ioaddr + CONFIG_1);
1214 outb(0xe4, ioaddr + CONFIG_1);
1215
1216 for (i = 0; i < 8; i++)
1217 outb(mc_filter[i], ioaddr + MAR_ADR + i);
1218 outb(saved_bank, ioaddr + CONFIG_1);
1219
1220 outb(saved_config_0, ioaddr + CONFIG_0);
1221
1222 local_irq_restore(flags);
1223 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree